A007864 - OEIS

The OEIS is supported by the many generous donors to the OEIS Foundation.

A007864

Number of matrix bundles of codimension n (Euler transform of A001156).

0

1, 2, 4, 7, 11, 19, 30, 49, 76, 118, 180, 276, 411, 614, 908, 1336, 1944, 2824, 4067, 5839, 8326, 11829, 16719, 23557, 33019, 46142, 64226, 89117, 123198, 169841, 233373, 319817, 436982, 595554, 809503, 1097714, 1484805, 2003938, 2698410

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,2

REFERENCES

V. I. Arnold, Singularity Theory, Cambridge Univ. Press, 1981, p. 57.

LINKS

Table of n, a(n) for n=1..39.

N. J. A. Sloane, Transforms

CROSSREFS

Sequence in context: A034337 A083024 A003292 * A277271 A192670 A118647

Adjacent sequences: A007861 A007862 A007863 * A007865 A007866 A007867

KEYWORD

nonn

AUTHOR

Peter J. Cameron

EXTENSIONS

Corrected and extended by Vladeta Jovovic, Sep 05 2002

STATUS

approved